1. -3x + -6
2. -3x + 9
3. 2x - 6
4. -2x + 6
here u go
Start with

Add 2x to both sides:

Subtract 21 from both sides:

Divide both sides by 5. Since it is positive, we don't have to change the inequality sign:

So, the answer is 
3a to the power of 2 plus 5a minus 2
Step-by-step explanation:
ما زلت لا أستطيع أن أخبرني بما تحاول أن تخبرني به ولد أو بنت آسف على تحمله